A compartment in some types of firearms, often a small detachable box, in which cartridges are held to be fed into the firing chamber.是什么意思_A compartment in some types of firearms, often a small detachable box, in which cartridges are held to be fed into the firing chamber.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句